reliable invocation

reliable.py

requester = requests.session()

retries = Retry(total=nr_retries, backoff_factor=backoff_factor,
                status_forcelist=FORCE_RETRY_STATUS_CODE_LIST)

requester.mount("https://", HTTPAdapter(max_retries=retries))
requester.mount("http://",  HTTPAdapter(max_retries=retries))
    
try:
    response = requester.get(url=url, timeout=client_timeout)
    print("Request done")

except (HTTPError, MaxRetryError) as err:
    print("There was a problem in the request to service: " + str(err))